Three XY-Wings:-
XY-Wing 57 37 35 pivoted in r1c2 sets r89c3<>5 followed by
XY-wing 35 57 37 pivoted in r9c2 sets r1c1<>3 followed by
XY-Wing 13 15 35 pivoted in r9c8 sets r6c9<>3.
Any one with a single steper?